ES2044092T3 - IMPLANTABLE INFUSION DEVICE. - Google Patents

IMPLANTABLE INFUSION DEVICE.

Info

Publication number
ES2044092T3
ES2044092T3 ES89302681T ES89302681T ES2044092T3 ES 2044092 T3 ES2044092 T3 ES 2044092T3 ES 89302681 T ES89302681 T ES 89302681T ES 89302681 T ES89302681 T ES 89302681T ES 2044092 T3 ES2044092 T3 ES 2044092T3
Authority
ES
Spain
Prior art keywords
accumulator
valves
medication
reserve
volume
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES89302681T
Other languages
Spanish (es)
Inventor
Samir F Idriss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Strato Infusaid Inc
Original Assignee
Strato Infusaid Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Strato Infusaid Inc filed Critical Strato Infusaid Inc
Application granted granted Critical
Publication of ES2044092T3 publication Critical patent/ES2044092T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • A61M5/14276—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body specially adapted for implantation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/02—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
    • G01F11/08—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the diaphragm or bellows type
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/35—Communication
    • A61M2205/3507—Communication with implanted devices, e.g. external control
    • A61M2205/3523—Communication with implanted devices, e.g. external control using telemetric means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2206/00—Characteristics of a physical parameter; associated device therefor
    • A61M2206/10—Flow characteristics
    • A61M2206/22—Flow characteristics eliminating pulsatile flows, e.g. by the provision of a dampening chamber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/12—Pressure infusion

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

UNA BOMBA ACUMULADORA DE VALVULA IMPLANTABLE COMPRENDE UNA RESERVA DE DROGA (18) MANTENIDA EN VAPOR A CONSTANTE PRESION. EL ENSAMBLAJE DE MEDIDA DE LA MEDICACION COMPRENDE UN ACUMULADOR DE VOLUMEN FIJADO (30) SITUADO ENTRE UN PAR DE VALVULAS (26, 28). LAS VALVULAS SE ABREN Y CIERRAN ALTERNATIVAMENTE PARA ADMITIR LA MEDICACION DESDE LA RESERVA AL ACUMULADOR Y PARA DISPENSAR UNA PUNTA DE VOLUMEN PRECISO AL CATETER DE SALIDA (36). EN ORDEN AMINIMIZAR UN VOLUMEN MUERTO Y ASEGURAR UNA COMPLETA DESCARGA, EL ACUMULADOR EMPLEA UN DIAGRAMA DE TITANIO (90) SITUADO EN UNA POSICION PARA UNA PARADA ENCASTRADA (98). LA UNIDAD ES EXTERNAMENTE PROGRAMADA.AN IMPLANTABLE VALVE ACCUMULATOR PUMP INCLUDES A DRUG RESERVE (18) MAINTAINED IN STEAM AT CONSTANT PRESSURE. THE MEDICATION MEASURING ASSEMBLY INCLUDES A FIXED VOLUME ACCUMULATOR (30) LOCATED BETWEEN A PAIR OF VALVES (26, 28). THE VALVES ARE OPENED AND CLOSED ALTERNATIVELY TO ADMIT MEDICATION FROM THE RESERVE TO THE ACCUMULATOR AND TO DISPENSE A VOLUME POINT PRECISE TO THE OUTLET CATHETER (36). IN ORDER TO MINIMIZE A DEAD VOLUME AND ENSURE A COMPLETE DISCHARGE, THE ACCUMULATOR USES A DIAGRAM OF TITANIUM (90) LOCATED IN A POSITION FOR A FITTED STOP (98). THE UNIT IS EXTERNALLY PROGRAMMED.

ES89302681T 1987-12-15 1989-03-17 IMPLANTABLE INFUSION DEVICE. Expired - Lifetime ES2044092T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/133,400 US4838887A (en) 1987-12-15 1987-12-15 Programmable valve pump

Publications (1)

Publication Number Publication Date
ES2044092T3 true ES2044092T3 (en) 1994-01-01

Family

ID=22458431

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89302681T Expired - Lifetime ES2044092T3 (en) 1987-12-15 1989-03-17 IMPLANTABLE INFUSION DEVICE.

Country Status (4)

Country Link
US (1) US4838887A (en)
EP (1) EP0387439B1 (en)
AU (1) AU603035B1 (en)
ES (1) ES2044092T3 (en)

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Also Published As

Publication number Publication date
AU603035B1 (en) 1990-11-01
EP0387439A1 (en) 1990-09-19
US4838887A (en) 1989-06-13
EP0387439B1 (en) 1993-08-04

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